The structures of compounds J, K and L, respectively, are

A

$$PhCOCH_3, PhCH_2COCH_3$$ and $$PhCH_2COO^{-}K^{+}$$

B

$$PhCHO, PhCH_2CHO$$ and $$PhCOO^{-}K^{+}$$

C

$$PhCOCH_3, PhCH_2CHO$$ and $$CH_3COO^{-}K^{+}$$

D

$$PhCHO, PhCOCH_3$$ and $$PhCOO^{-}K^{+}$$